Configuring semigroups-0.18.4...
Preprocessing library for semigroups-0.18.4..
Building library for semigroups-0.18.4..
[1 of 1] Compiling Data.Semigroup.Generic ( src/Data/Semigroup/Generic.hs, dist/build/Data/Semigroup/Generic.dyn_o )

src/Data/Semigroup/Generic.hs:30:1: warning: [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
30 | import Data.Semigroup
   | ^^^^^^^^^^^^^^^^^^^^^
ignoring (possibly broken) abi-depends field for packages
Preprocessing library for semigroups-0.18.4..
Running Haddock on library for semigroups-0.18.4..
Warning: The documentation for the following packages are not installed. No
links will be generated to these packages: base-4.11.1.0, ghc-prim-0.5.2.0,
integer-gmp-1.0.2.0
Haddock coverage:
  60% (  3 /  5) in 'Data.Semigroup.Generic'
  Missing documentation for:
    GSemigroup (src/Data/Semigroup/Generic.hs:44)
    GMonoid (src/Data/Semigroup/Generic.hs:74)
Warning: Data.Semigroup.Generic: could not find link destinations for:
    gmappend' V1 * U1 K1 Semigroup :*: M1 Generic Rep <> gmempty' Monoid mempty
Documentation created: dist/doc/html/semigroups/index.html
Unregistering semigroups-0.18.4...